Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors has been discontinued, here are some related products you might like:
Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors
Features
- For Pentax DSLRs with APS-C Size Sensors
- Aperture of f/2.8 throughout Zoom Range
- Accepts 77mm Filters
- Ultra Compact (Only 91.8mm Long)
- Multi-Layered Lens Coating
Description
The Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors is an incredibly versatile, lightweight, and compact lens designed specifically for Pentax digital SLR cameras with APS-C size sensors. The lens has a fast f/2.8 maximum aperture throughout the entire zoom range. It features a construction of 17 elements in 13 groups with glass that corrects for flare, ghosting and all types of aberrations. It produces high contrast and sharp images throughout the zoom range even at its maximum aperture.
This lens is also equipped with Sigma's Hyper-Sonic Motor (HSM) which provides for fast and quiet autofocusing.
The Sigma 17-50mm f/2.8 is ideal for many photo opportunities particularly landscapes and portraits, but with its wide focal range and a close focusing distance down to 28cm you can capture images with unique perspectives. It will quickly become one of the most important lenses in your gear bag.
Features
- This lens is for use with Pentax digital cameras with APS-C size sensors only.
- The DC designation on the barrel means that this is a special lens designed so that the image circle matches the smaller size (APS-C) of the image sensor of your digital SLR. Its specialised design gives this lens the ideal properties for digital cameras, including a compact size and lightweight construction.
- Constructed with 17 elements in 13 groups, it features FLD ("F" Low Dispersion) glass which is the highest level low dispersion glass available with extremely high light transmission. This glass has a performance equal to fluorite glass which has a low refractive index and low dispersion compared to current optical glass. FLD glass offers superior optical performance, equal to fluorite, at an affordable price.
- Its HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus.
- Sigma lenses are made in Japan.
Note: Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
Specifications
| Performance | |
| Focal Length | 17 - 50mm |
| Aperture | Maximum: f/2.8 Minimum: f/22 |
| Camera Mount Type | Pentax K |
| Format Compatibility | Pentax Digital (APS-C) |
| Angle of View | 72.4° - 27.9° |
| Minimum Focus Distance | 27.94 cm |
| Magnification | 0.2x |
| Maximum Reproduction Ratio | 1:5 |
| Optical Design | 17 Elements in 13 Groups |
| Diaphragm Blades | 7 |
| Features | |
| Image Stabilisation | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
| Filter Thread | 77 mm |
| Dimensions (DxL) | Approx. 8.38 x 9.14 cm |
| Weight | 565 g |
In The Box
- Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors
- Lens Hood
- Front and Rear Lens Caps
- Carrying Case
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Details
- Product: Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors
- Manufacturer: Sigma
- Model: 583961
- SKU: 583961
- RM Product #: 21140
- Maximum Aperture: f/2.8
- Zoom or Prime Lens: Zoom Lenses
- Lens Type: Wide Zoom
- Warranty: 2 Year manufacturer warranty
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